Skeletal System

during the process of ___, an existing tissue is replaced with bone

ossification

which of the following is most likely to be damaged during CPR

xiphoid process

gigantism

condition caused by overproduction of growth hormone before puberty

osteoporosis

condition that reduces bone mass cause easy breakage and limiting ability to repaue

osseous tissue is classified as which of the following

connective tissue

spina bifida

birth defect caused by failure of vertebral laminae to unite

which of the following primary functions of the skeletal system applies to the role of red bone marrow

blood cell production

the process of depositing calcium salts into a tissue is called

calcification

narrow sheets of calcified matrix that form concentric rings are referred to as

lamellae

the bones of the upper arms and thighs are classified as

long bones

which of the following curves develops as a child begins to stand and walk

lumbar

osteocytes

maintain normal bone structure by recycling the calcium salts in the bony matrix around themselves

condyle

rounded articular process

tarsal bone are classified as ___ bone

short

osteopenia

slowing of the ossification process due to aging

the medullary cavity of a long bone is lined with

endosteum

which of the following accounts for almost 2/3 of the mass of bone tissue

calcium phosphate

meatus

canal-like passageway through a bone

rickets is a condition marked by a softening and bending of bones that occurs in growing children, as a result of ___ deficiency

vitamin D3

the maxillary bones articulate with all other facial bones except the

mandible

foramen

rounded passageway for blood vessels/nerves

spongy bone is made up of a network of bony rods or plates called

trabeculae

the organic component of the matrix, which makes up around 1/3 of the mass of the bone, is dominated by

collagen fibers

the bony compartment that supports the brain is called the

cranium

the presence of an epiphyseal line indicates

epiphyseal growth has ended

a primary function of the skeletal system is

maintaining the normal concentrations of calcium and phosphate ions in body fluids

immature, active bone cells that produce new bone matrix are termed

osteoblasts

which of the following is found only in compact bone

osteons

osteomyelitis

painful infection in a bone generally caused by bacteria

two hormones that work together to elevate calcium levels in the body are ___ and ___

parathyroid hormone; calcitriol

process

projection or bump

sinus

cavity within a bone, filled with air

a compound fracture

results in bone projecting through the skin